three-canopy 中文意思是什麼
three-canopy
解釋
三傘衣的-
The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。 -
Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased
結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。 -
This article describes canopy apparent spectral reflectance of three mangrove species at jiulong river estuary reserve using a portable hyperspectrometer, using the spectral data collected in fields to analyze mangrove canopy spectral reflectance characteristics and to compare their differences, the mangrove species distribution classified by using a tideland remote sensing information discrimination software based on spot satellite remote sensing images, and the disadvantage of mangrove spectral reflectance in higher research is discussed
摘要結合使用野外便攜式光譜儀對九龍江口紅樹林保護區白骨壤、秋茄、桐花樹3種紅樹植物的葉冠表觀光譜的測量結果，系統分析比較了紅樹植物葉冠反射光譜特徵及其差異；並在一個潮間帶底質遙感信息處理平臺上對研究地點進行基於表觀光譜特徵的白骨壤和秋茄的spot衛星遙感圖像分類；最後討論了紅樹光譜研究中存在的問題。 -
At the same time, we would receive a canopy, three sheet toilet paper and five gallons drinking water ( when you lacked of water, you could ask more ). we should put all the above equipment in a large and black colour plastic rubbish bag but it was not suitable to carry by short person like me
"獨處"時不準進食，也不能帶多餘物品，除了自己的睡袋、雨衣和保暖衣物之外，每人獲發一個天幕，幾加侖的水和三格廁紙，不過這些東西得用一個黑色大垃圾膠袋裝載起來，這對身型短小的我來說可不易攜帶。 -
For the hydrological effects of canopy, the interception rate of a. mearnsii was the highest among three tree species, but there was the high stemflow on the stem of p. yunnanensis
人工林群落對徑流的調控，主要體現在人工林群落使地表徑流發生頻率降低，徑流量減小。 -
( 3 ) the sma incorporated friction damper is applied to long - span canopy roof structures to investigate its vibration control performance. the control effectiveness is analyzed with inputting three - dimensional el - centro earthquake waves in small, medium and large seismic intensity. the results show that control performance of the sma incorporated friction damper is superior to that of both the friction damper and the sma damper
通過輸入三向el - centro地震波，分別研究了結構在小震、中震和大震情況下的減振性能，並與結構在純摩擦阻尼器、僅sma阻尼器的控制效果進行了對比分析，表明sma復合摩擦阻尼器具有卓越的耗能減振性能。 -
The arena, constructed for the 1972 olympic games and famous throughout the world for its distinctive transparent canopy, was a host stadium at the 1974 world cup and 1988 european championships and has staged three european cup / champions league finals
這個因透明頂棚而聞名世界的體育場是為了舉辦1972年奧運會而建造的，奧林匹克體育場還曾經作為1974年的世界盃和1988年歐洲冠軍杯的主體育場，並且有三屆歐洲冠軍杯的決賽都是在這塊場地上進行的。 -
Johannesburg south africa 28 nov the forest canopy of construction cranes on luanda s skyline is an indication of the economic development that angola s is undergoing particularly after the end of the country s civil war three years ago says kpmg angola in a recent report
南非，約翰內斯堡， 11月28日電畢馬威安哥拉公司在近期的報告中稱，羅安達地平線上林立的吊車表明了安哥拉經濟的發展。特別是三年前內戰結束后，安的經濟開始快速發展。
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